Improvement in blotting-pads



UNITED STATES PATENT OFFICE,

PIERRE LOUIS JOSEPH DUPONT, OF PARIS, FRANCE, ASSIGNOR TO LEON RHEIMS, OF NEW YORK, N. Y.

IMPROVEMENT m. BLOTTlNG-PADS.

Specification forming part of Letters Patent No. 173,602, dated February 15, 1876; application filed August 30, 1875.

To all whom it may concern:

Be it-known that I, PIERRE LOUIS JOSEPH DUPONT, of Paris, in France, (assignor to LEON RHE1MS,)112W6 invented an Improved Blotting-Pad, or substitute for blotting-paper and other ink-absorbers, of which the following is a specification:

My invention consists in the substitution, for the blotting paper and powders at present used for drying Writing ink, of a solid absorbent material composed of plaster-of-paris, say tln'eeparts, and pulverized chalk, say one part, ground up in water containing, in solution, a small proportion of dextrine or alum and any desired coloring matter. This lIllXllllIQlS run into molds of any required design and size, and, the resulting-block, tablet, paper-Weight,

J. DUPONT. Witnesses:

JULEs FONTENELLE, CHARLES WOOLSTON,

Clerks to Messrs. Mennons d2 (70.,

Patent Solicitors, Paris. 

